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Class Information
Number: 266/217
Name: Metallurgical apparatus > Means for melting or vaporizing metal or treating liquefied metal > By means introducing treating material > Gaseous treating material
Description: Device wherein the added substance is in gaseous form.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7611663 |
Industrial furnace and associated jet element |
Nov. 3, 2009 |
| 7588718 |
Apparatus for injecting gas into a vessel |
Sep. 15, 2009 |
| 7575711 |
Apparatus for producing nano-particles of silver |
Aug. 18, 2009 |
| 7547409 |
Compact micro-porous media degasser |
Jun. 16, 2009 |
| 7507365 |
Multi functional pump for pumping molten metal |
Mar. 24, 2009 |
| 7481965 |
Apparatus for injecting gas into a vessel |
Jan. 27, 2009 |
| 7481964 |
Sealed impeller for producing metal foam and system and method therefor |
Jan. 27, 2009 |
| 7476357 |
Gas mixing and dispersement in pumps for pumping molten metal |
Jan. 13, 2009 |
| 7455809 |
Material submergence system |
Nov. 25, 2008 |
| 7384593 |
Cyclone plug |
Jun. 10, 2008 |
| 7384594 |
Method for the pyrometallurgical treatment of metals, metal melts and/or slags and injection device |
Jun. 10, 2008 |
| 7270781 |
System for producing alloy containing rare earth metal |
Sep. 18, 2007 |
| 7198181 |
Stopper for reliable gas injection |
Apr. 3, 2007 |
| 7195662 |
Device and process for producing metal foam |
Mar. 27, 2007 |
| 6984356 |
Method and apparatus for the continuous production of foamed metals |
Jan. 10, 2006 |
| 6944930 |
Method for manufacturing low-oxygen copper |
Sep. 20, 2005 |
| 6903306 |
Directional cooling system for vacuum heat treating furnace |
Jun. 7, 2005 |
| 6893607 |
Elevated discharge gas lift bubble pump and furnace for use therewith |
May. 17, 2005 |
| 6887424 |
Inline degassing apparatus |
May. 3, 2005 |
| 6872344 |
Gas blowing plug and manufacturing method therefor |
Mar. 29, 2005 |
| 6850551 |
Electric heater for molten aluminum |
Feb. 1, 2005 |
| 6756566 |
Convection heating system for vacuum furnaces |
Jun. 29, 2004 |
| 6689310 |
Molten metal degassing device and impellers therefor |
Feb. 10, 2004 |
| 6669896 |
Purge plug |
Dec. 30, 2003 |
| 6645270 |
Method of heating a crucible for molten aluminum |
Nov. 11, 2003 |
| 6551550 |
Gas blowing plug and manufacturing method therefor |
Apr. 22, 2003 |
| 6461404 |
Ladle for enhanced steel vacuum decarburization |
Oct. 8, 2002 |
| 6357264 |
Apparatus for melting molten material |
Mar. 19, 2002 |
| 6284189 |
Nozzle for device to inject oxygen and technological gases and relative dimensioning method |
Sep. 4, 2001 |
| 6277324 |
Apparatus for manufacturing molten pig iron and reduced iron by utilizing a fluidized bed |
Aug. 21, 2001 |
| 6254652 |
At least three-step molten metal decomposition process cycle |
Jul. 3, 2001 |
| 6231806 |
System for the injection of gasses into containers containing metals or fused alloys |
May. 15, 2001 |
| 6162388 |
Metallurgical reactor for the treatment under reduced pressure of a liquid metal |
Dec. 19, 2000 |
| 6069910 |
High efficiency system for melting molten aluminum |
May. 30, 2000 |
| 6068812 |
Inert gas bubble-actuated molten metal pump with gas-diffusion grid |
May. 30, 2000 |
| 6060013 |
Rotary gas dispersion device for treating a liquid aluminium bath |
May. 9, 2000 |
| 6056803 |
Injector for gas treatment of molten metals |
May. 2, 2000 |
| 6039917 |
Jet column reactor pump with coaxial and/or lateral intake opening |
Mar. 21, 2000 |
| RE36598 |
Apparatus and process for the production of fire-refined blister copper |
Mar. 7, 2000 |
| 6027685 |
Flow-directing device for molten metal pump |
Feb. 22, 2000 |
| 5993728 |
Gas injection pump |
Nov. 30, 1999 |
| 5963580 |
High efficiency system for melting molten aluminum |
Oct. 5, 1999 |
| 5916512 |
Method and apparatus for after-burning the combustible components of the atmosphere in metallurgical smelting vessels |
Jun. 29, 1999 |
| 5879617 |
Apparatus for treating waste materials |
Mar. 9, 1999 |
| 5863490 |
Gas blast nozzle for molten metal and method of using the same |
Jan. 26, 1999 |
| 5853658 |
Gas purging device in the blowpipe of a degassing vessel |
Dec. 29, 1998 |
| 5846479 |
Apparatus for de-gassing molten metal |
Dec. 8, 1998 |
| 5846481 |
Molten aluminum refining apparatus |
Dec. 8, 1998 |
| 5820816 |
Purging device and method of making same |
Oct. 13, 1998 |
| 5814126 |
Method and apparatus for producing bright and smooth galvanized coatings |
Sep. 29, 1998 |
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